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Date: Thu, 8 Jul 2004 11:49:20 +0200 (W. Europe Daylight Time)
From: Daniel Lungu <lungu AT nagra DOT com>
To: cygwin AT cygwin DOT com
Subject: negative error status: gcc vs. cl
Message-ID: <Pine.WNT.4.21.0407081106020.247-100000@pc0197.nagra-kudelski.ch>
X-X-Sender: lungu AT castor DOT hq DOT k DOT grp
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII

Feel like bash tcsh on Cygwin mess up with negative exit status from a cl
compiled .exe

% uname -a
CYGWIN_NT-5.0 pc 1.3.22(0.78/3/2) 2003-03-18 09:20 i686 unknown unknown Cygwin

% echo $SHELL
/bin/bash

% cat nerr.c
int main()
{
    exit (-2);
}

% gcc -o nerr-gcc nerr.c

% cl -o nerr-cl nerr.c
Micro$oft (R) 32-bit C/C++ Optimizing Compiler Version 12.00.8168 for 80x86
Copyright (C) Micro$oft Corp 1984-1998. All rights reserved.
nerr.c
Micro$oft (R) Incremental Linker Version 6.00.8168
Copyright (C) Micro$oft Corp 1992-1998. All rights reserved.
/out:nerr.exe
/out:nerr-cl.exe
nerr.obj

-----unsigned-8b-exit-status-----
% nerr-gcc.exe; echo $?
254

-----wrong-nil(!)-exit-status-----
% nerr-cl.exe; echo $?
0

> ver
Microsoft Windows 2000 [Version 5.00.2195]

-----unsigned-16b-exit-status-----
> nerr-gcc.exe
> echo %ERRORLEVEL%
65534

-----signed-exit-status-----
> nerr-cl.exe
> echo %ERRORLEVEL%
-2

Positive exit status works fine from gcc and cl.

Thanks for any feedback.


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